664761214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{4933}}^1$

素因数の和:5092

約数の個数: 32

約数和(自身を含む): 1104110784

約数和(自身を除く): 439349570

約数列:

[1, 2, 13, 26, 71, 73, 142, 146, 923, 949, 1846, 1898, 4933, 5183, 9866, 10366, 64129, 67379, 128258, 134758, 350243, 360109, 700486, 720218, 4553159, 4681417, 9106318, 9362834, 25567739, 51135478, 332380607, 664761214]

約数ペア:

[(1, 664761214), (2, 332380607), (13, 51135478), (26, 25567739), (71, 9362834), (73, 9106318), (142, 4681417), (146, 4553159), (923, 720218), (949, 700486), (1846, 360109), (1898, 350243), (4933, 134758), (5183, 128258), (9866, 67379), (10366, 64129)]